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硅酸盐通报 ›› 2024, Vol. 43 ›› Issue (7): 2649-2660.

所属专题: 陶瓷

• 陶瓷 • 上一篇    下一篇

高导热氮化硅陶瓷基板影响因素研究现状

朱允瑞1, 贺云鹏2, 杨鑑3, 周国相1,2, 林坤鹏1, 张砚召1, 杨治华1,2, 贾德昌1, 周玉1,4   

  1. 1.哈尔滨工业大学特种陶瓷研究所,哈尔滨 150006;
    2.哈尔滨工业大学重庆研究院,重庆 401151;
    3.中国运载火箭技术研究院,北京 100076;
    4.哈尔滨工业大学(深圳)材料科学与工程学院,深圳 518055
  • 收稿日期:2023-12-04 修订日期:2024-01-29 出版日期:2024-07-15 发布日期:2024-07-24
  • 通信作者: 杨治华,研究员。E-mail:zhyang@hit.edu.cn周国相,博士。E-mail:ZGX_HIT_CQ@163.com
  • 作者简介:朱允瑞(2000—),男,硕士研究生。主要从事陶瓷基板方面的研究。E-mail:1850669265@qq.com
  • 基金资助:
    中央高校基本科研业务费专项资金(2022FRFK0600XX);国家重点研发计划项目(2022YFB3706300);结构功能一体化陶瓷及其精密成型技术研究(CQYC20220301577)

Research Status on Influencing Factors of High Thermal Conductivity Si3N4 Ceramic Substrate

ZHU Yunrui1, HE Yunpeng2, YANG Jian3, ZHOU Guoxiang1,2, LIN Kunpeng1, ZHANG Yanzhao1, YANG Zhihua1,2, JIA Dechang1, ZHOU Yu1,4   

  1. 1. Institute for Advanced Ceramics, Harbin Institute of Technology, Harbin 150006, China;
    2. Chongqing Research Institute, Harbin Institute of Technology, Chongqing 401151, China;
    3. China Academy of Launch Vehicle Technology, Beijing 100076, China;
    4. School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
  • Received:2023-12-04 Revised:2024-01-29 Online:2024-07-15 Published:2024-07-24

摘要: 电子电力技术的高度集成化对承载电子元器件的脆性陶瓷基板提出了更高的散热和强度要求。氮化硅陶瓷兼备优异的本征热导率和力学性能,在大功率半导体器件封装领域有广阔的发展前景。然而,目前商业及实验中可实现的氮化硅热导率远低于其本征热导率,如何在保证氮化硅优异力学性能的基础上提高热导率仍然是一个难题。本文概述了高热导氮化硅的发展近况,着重论述氮化硅实际热导率的影响因素和提高方法。同时对比了几种氮化硅烧结工艺的优劣情况,并简要介绍目前主流商业化的氮化硅陶瓷基板成型工艺,最后对氮化硅陶瓷基板发展方向作出展望。

关键词: 氮化硅, 高导热, 陶瓷基板, 晶格氧, 致密度, 晶粒生长驱动力, 晶粒生长形貌, 烧结工艺

Abstract: The high degree integration of electronic power technology has put forward higher requirements for heat dissipation and strength of brittle ceramic substrates carrying electronic components. Due to its excellent intrinsic thermal conductivity and mechanical properties, silicon nitride ceramics have broad development prospects in the field of high-power semiconductor device packaging. However, the thermal conductivity of Si3N4 that can be achieved in commercial and experimental studies is much lower than its intrinsic thermal conductivity, and how to improve the thermal conductivity of Si3N4 on the basis of ensuring its excellent mechanical properties is still a difficult problem. In this paper, the recent development of high thermal conductivity silicon nitride is summarized, and the influencing factors and improvement methods of the actual thermal conductivity of Si3N4 are emphatically discussed. At the same time, the advantages and disadvantages of several Si3N4 sintering processes are compared, and make a brief introduction of the current mainstream commercial Si3N4 ceramic substrate molding process. The development direction of Si3N4 ceramic substrate is prospected finally.

Key words: Si3N4, high thermal conductivity, ceramic substrate, lattice oxygen, density, grain growth driver, grain growth morphology, sintering process

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